134800447 has 4 divisors (see below), whose sum is σ = 140661360. Its totient is φ = 128939536.

The previous prime is 134800433. The next prime is 134800451. The reversal of 134800447 is 744008431.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 744008431 = 83 ⋅8963957.

It is a cyclic number.

It is not a de Polignac number, because 134800447 - 2²³ = 126411839 is a prime.

It is a super-2 number, since 2×134800447² = 36342321022799618, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (134800417) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2930422 + ... + 2930467.

It is an arithmetic number, because the mean of its divisors is an integer number (35165340).

Almost surely, 2^134800447 is an apocalyptic number.

134800447 is a deficient number, since it is larger than the sum of its proper divisors (5860913).

134800447 is an equidigital number, since it uses as much as digits as its factorization.

134800447 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5860912.

The product of its (nonzero) digits is 10752, while the sum is 31.

The square root of 134800447 is about 11610.3594690259. The cubic root of 134800447 is about 512.7398957802.

Adding to 134800447 its reverse (744008431), we get a palindrome (878808878).

The spelling of 134800447 in words is "one hundred thirty-four million, eight hundred thousand, four hundred forty-seven".